Inventor · disambiguated record
Pieter Karel Anton Kapteijn
Also filed as: KAPTEIJN PIETER KAREL ANTON
7 granted patents·1 pending application·90 citations·filing 2000–2023
83Inventor score
Top patents by PatentIndex Score
8 records- 0187US7672825B2Closed loop control system for controlling production of hydrocarbon fluid from an underground formationSHELL OIL CO·Filed 2005·Granted Mar 2, 2010·43 cites·12 claims
- 0271US9476274B2Apparatus and system and method of measuring data in a well extending below surfaceEDMONSTONE GRAHAM·Filed 2010·Granted Oct 25, 2016·9 cites·18 claims
- 0370US9611010B2Reducing drag of a hull of a shipKAPTEIJN PIETER KAREL ANTON·Filed 2011·Granted Apr 4, 2017·5 cites·23 claims
- 0460US6742585B1Sealing off openings through the wall of a well tubularSHELL OIL CO·Filed 2000·Granted Jun 1, 2004·25 cites·13 claims
- 0555US12497135B2Belt and method for reducing the drag of a hull of a floating vesselALFA LAVAL ROTTERDAM B V·Filed 2021·Granted Dec 16, 2025·0 cites·17 claims
- 0650US12209377B2Device for attenuating underwater sound pressure and the use of such a deviceALFA LAVAL ROTTERDAM B V·Filed 2021·Granted Jan 28, 2025·0 cites·13 claims
- 0748US2024417034A1A method for providing a hull of a vessel with bubble generatorsALFA LAVAL ROTTERDAM B V·Filed 2023·Application pending·0 cites
- 0843US7347282B2Steerable soil penetration systemSHELL OIL CO·Filed 2003·Granted Mar 25, 2008·8 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →